213464113 has 2 divisors, whose sum is σ = 213464114. Its totient is φ = 213464112.

The previous prime is 213464093. The next prime is 213464129. The reversal of 213464113 is 311464312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173369889 + 40094224 = 13167^2 + 6332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213464113 is a prime.

It is not a weakly prime, because it can be changed into another prime (213164113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106732056 + 106732057.

It is an arithmetic number, because the mean of its divisors is an integer number (106732057).

Almost surely, 2^213464113 is an apocalyptic number.

It is an amenable number.

213464113 is a deficient number, since it is larger than the sum of its proper divisors (1).

213464113 is an equidigital number, since it uses as much as digits as its factorization.

213464113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 213464113 is about 14610.4111167345. The cubic root of 213464113 is about 597.6427072282.

The spelling of 213464113 in words is "two hundred thirteen million, four hundred sixty-four thousand, one hundred thirteen".